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Environmental and Economic Benefits of Capturing Swine Manure Methane

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Workshop and Butler Farms Tour: September 18, 2008

Sampson County Agri-Exposition Center
414 Warsaw Road
Clinton, North Carolina 28328

Increasing desire for renewable energy and greater environmental protection, and the growth of the livestock industry, have created the atmosphere for the viability and growth of anaerobic digester systems in the Northwest. Management of odors, water quality, air emissions, and nutrients are major issues facing dairy farmers and the citizens in the region. However, anaerobic digester systems have proven to be one solution to many of these issues, as well as a viable energy source. These technologies not only address many of the environmental concerns surrounding manure management, but also create opportunities for revenue from energy generation, nutrient value, fiber recovery, and carbon credits.

This free workshop, hosted by Environmental Credit Corporation (through a U.S. Department of Agriculture grant), EPA Region 4, and AgSTAR, provided a broad overview of anaerobic digestion of swine manure and other related issues. The presentations are posted below.

8:00 AM

Welcome and Introductions

  • Brandi Robinson, Environmental Credit Corp.
  • Denise Tennessee, Agriculture Advisor, EPA Region 4

Introduction of Anaerobic Digesters for the Swine Industry (21 pp, 1.6MB)
Chris Voell, EPA AgSTAR Program

8:30 AM

Experience with a Partial Cover Lagoon (20 pp, 3.2MB)
Dave Elkin, Murphy-Brown, LLC

9:00 AM

Creating Environmental Assets on the Farm–Panel Discussion

Managing Greenhouse Gases: Getting It Right (13 pp, 632K)
Joe Rudek, Environmental Defense

Introduction to Carbon Credits (13 pp, 201K)
Sarah Ploss, Environmental Credit Corp.

Creating Environmental Assets on the Farm (10 pp, 263K)
Michael Formica, National Pork Producers Council

10:00 AM

Break

10:30 AM

OLean Energy: Operational Experience with Nebraska's First Anaerobic Digester (36 pp, 18MB)
Danny Kluthe, OLean Energy

11:15 AM

NC Lagoon Conversion and Methane Capture Program Updates (13 pp, 293K)
Vernon Cox, NC Department of Environment and Natural Resources

11:35 AM

Interconnection and Net Metering Issues in North Carolina (49 pp, 989K)
Alex Hobbs, NC Solar Center

12:00 PM

Lunch

12:30 PM

Nutrient Management Issues Associated with Anaerobic Digestion of Swine Manure (25 pp, 1.2MB)
Sarah Liehr and Mark Rice, NC State University

1:00 PM

Anaerobic Digestion: Environmental Performance and Initial Considerations (20 pp, 167K)
Jack Martin, Hall Associates for AgSTAR

1:30 PM

Lagoon Cover Project Overview (16 pp, 6.9MB)
Scott Tudman, Environmental Credit Corp

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